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Porth Ceriad Surf Forecast
/ Wales – Lleyn (14 surf breaks) /
Surf Forecasts:
Porth Ceriad surfForecast / Wales – Lleyn / UK
48hr Weather and Surf, issued 6 pm Tuesday 12 May 2026 BSTForecast update in hr min s Forecast update imminent
Porth Ceriad surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Porth Ceriad sea temperature is
12.0° C
(Which is 1.6°C warmer than normal for this time of year)How big are the waves at Porth Ceriad today?
The current surf forecast for Porth Ceriad at 10PM is: 0.1m 8s primary swell from a Southwest direction (forecast issued at 06:00pm May 12). An open ocean swell of 0.9m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 May) | - | - |
| Afternoon (12 May) | 0.5ft (0.1m) | 18s |
| Evening (12 May) | 0.5ft (0.1m) | 18s |
Table - waves today at Porth Ceriad. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 10mm), heaviest on Tue night. Very mild (max 12°C on Tue afternoon, min 8°C on Tue night). Winds increasing (light winds from the WNW on Tue afternoon, strong winds from the WNW by Tue night). | ||||||||||||||||||||||||
Tue 12 | Wednesday 13 | Thursday 14 | Fri 15 | |||||||||||||||||||||
4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
W 18 | W 18 | SW 8 | SW 8 | WNW 6 | WNW 6 | WNW 7 | NW 7 | NW 6 | WSW 7 | WSW 7 | NW 7 | NW 7 | SW 16 | NW 6 | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | |
6 | 6 | 3 | 3 | 0 | 355 | 479 | 345 | 178 | 42 | 17 | 370 | 500 | 10 | 209 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross | cross-off | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | cross-off | off | off | off | off | off | off | off | cross-off | |
High Tide | 5:41PM3.23m | 5:57AM3.67m | 6:31PM3.61m | 6:47AM4.01m | 7:16PM3.98m | 7:33AM4.33m | ||||||||||||||||||
Low Tide | 00:29AM1.17m | 1:06PM0.74m | 1:23AM0.92m | 1:54PM0.50m | 2:13AM0.65m | |||||||||||||||||||
 | |  | |  |  | | |  |  |  | | | | | | | | |  | | | | | |
 | — | — | — | — | 5:24 | — | — | — | — | — | — | — | 5:22 | — | — | — | — | — | — | — | 5:20 | — | — | — |
 | — | 9:02 | — | — | — | — | — | — | — | 9:04 | — | — | — | — | — | — | — | 9:06 | — | — | — | — | — | 9:07 |
— | — | — | — | 1 | 1 | 1 | — | — | — | 1 | 1 | 1 | 1 | 1 | 1 | 1 | — | — | — | — | — | — | — | |
Temp °C | 12 | 12 | 11 | 9 | 9 | 8 | 9 | 10 | 11 | 10 | 9 | 9 | 9 | 9 | 9 | 9 | 10 | 11 | 10 | 9 | 9 | 9 | 9 | 9 |
7 | 7 | 2 | -1 | -1 | -3 | -2 | 0 | 3 | 2 | 0 | -2 | -1 | -1 | 0 | 0 | 2 | 4 | 5 | 4 | 1 | 1 | 1 | 1 | |
Swell 1 Height (m) Direction Period (s) | SW 8 | NNW 5 | SW 8 | SW 8 | — | — | W 16 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 5 | SW 16 | SW 16 | SW 15 | SW 15 | WSW 6 | WSW 5 | WSW 5 | SW 5 | SW 14 | SW 14 | SW 14 | SW 14 |
 kJ | 3 | 15 | 3 | 3 | — | — | 5 | 66 | 62 | 42 | 17 | 11 | 10 | 10 | 9 | 8 | 4 | 3 | 3 | 1 | 8 | 8 | 8 | 8 |
Swell 2 Height (m) Direction Period (s) | W 18 | SW 8 | — | — | — | — | — | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | — | W 16 | W 16 | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 | W 7 | W 6 | — | — |
| kJ | 6 | 3 | — | — | — | — | — | 10 | 10 | 10 | 10 | 10 | — | 5 | 5 | 8 | 8 | 8 | 8 | 8 | 1 | 1 | — | — |
Swell 3 Height (m) Direction Period (s) | W 18 | W 18 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 6 | 6 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NW 5 | WSW 4 | WNW 4 | WNW 5 | WNW 6 | WNW 6 | WNW 7 | NW 7 | NW 6 | NW 6 | NNW 6 | NW 7 | NW 7 | NW 7 | NW 6 | NW 6 | NW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NW 6 |
| kJ | 31 | 3 | 19 | 100 | 217 | 355 | 479 | 345 | 178 | 177 | 196 | 370 | 500 | 362 | 209 | 190 | 128 | 119 | 88 | 115 | 150 | 120 | 85 | 69 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 412 | 303 | 317 | 307 | 314 | 314 | 639 | 951 | 1551 | 652 | 571 | 571 | 292 | 292 | 314 | 315 | 333 | 333 | 33 | 133 | 46 | 308 | 308 | 308 |
Best forecast wave conditions in Lleyn Peninsula | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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